syncfusion-react-chat-ui

The code is documentation for a legitimate file-attachment feature and contains no clear malware or supply-chain backdoor. However, the sample backend has significant security weaknesses if used unchanged: client-controlled filenames reach filesystem write and delete operations, enabling potential path traversal and arbitrary file deletion, and the preview example inserts an attachment URL into innerHTML, creating a potential DOM-XSS risk. External upload URLs may also disclose files to a third party if copied without review. These issues warrant remediation in production code.